John R Ramsden
Apparently, this user prefers to keep an air of mystery about them.
24
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 Member for 5 years, 7 months
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Top Posts (34) All Questions Answers  Votes Newest
19
Does $(x^2  1)(y^2  1) = c z^4$ have a rational point, with z nonzero, for any given rational c?
May 19 '12
5
Is there an algorithm to decide whether or not two algebraic surfaces are birationally equivalent?
Jun 3 '14
5
Does $(x^2  1)(y^2  1) = c z^4$ have a rational point, with z nonzero, for any given rational c?
May 19 '12
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